Java Reference
In-Depth Information
Getting to Know Java
What you Will learn in this chapter:
➤
The history of Java
➤
The key features of Java
➤
How the Java technology works
➤
The key components of the Java Runtime Environment (JRE) and
how they collaborate
➤
The different types of Java platforms and applications
➤
The relationship between Java and JavaScript
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The basic concepts of the Java language structure
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The primitive Java data types and how they are used
Wrox.com code doWnloads for this chapter
The wrox.com code downloads for this chapter are found at
www.wrox.com/go/
beginningjavaprogramming
on the Download Code tab. The code is in the Chapter 2
download and individually named according to the names throughout the chapter.
Before you get your hands wet trying your first Java program, you need to learn some basic
concepts relating to the Java architecture and language semantics. The chapter starts by pro-
viding a bird's eye overview of Java's history, its key features, and the underlying technology.
The chapter then zooms into the Java Runtime Environment (JRE), which is the software
environment in which Java programs are executed. This will be followed by a discussion of
various types of Java applications, such as standalone applications, applets, servlets, and
Java beans.
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